(19)
(11) EP 0 610 596 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
04.01.1995 Bulletin 1995/01

(43) Date of publication A2:
17.08.1994 Bulletin 1994/33

(21) Application number: 93120951.4

(22) Date of filing: 27.12.1993
(51) International Patent Classification (IPC)5E05F 3/12
(84) Designated Contracting States:
DE ES FR GB IT

(30) Priority: 08.01.1993 GB 9300288

(71) Applicant: JEBRON LIMITED
West Midlands WS10 9HY (GB)

(72) Inventors:
  • Brown, Peter Edward
    Alveley, Bridgnorth, Shropshire (GB)
  • Harrison, Stephen James
    Alveley, Bridgnorth, Shropshire (GB)

(74) Representative: Symes, Christopher A. et al
FORRESTER & BOEHMERT Franz-Joseph-Strasse 38
80801 München
80801 München (DE)


(56) References cited: : 
   
       


    (54) Door control device


    (57) A door closing device comprises a piston (12) having at one end a seal (21) which seals the interface between the piston and a housing (10). The seal (21) also acts as a one-way valve and carries a pressure relief valve (37).







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